{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "trigger": true, "arguments": ["price", "damage amount", "attacker", "time", "payment method", "victim", "tool", "attack pattern"]}, {"event_type": "phishing", "trigger": true, "arguments": ["time", "damage amount", "trusted entity", "victim", "attack pattern", "attacker"]}, {"event_type": "data breach", "trigger": true, "arguments": ["attacker", "compromised data", "place", "tool", "damage amount", "number of data", "purpose", "attack pattern"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["vulnerability", "supported platform", "vulnerable system version", "discoverer", "vulnerable system owner", "common vulnerabilities and exposures", "time", "vulnerable system", "capabilities"]}], "input": "GREENFIELD — Hancock Health fell victim to a cyber attack Thursday , with a hacker demanding Bitcoin to relinquish control of part of the hospital ’s computer system ."}
{"ransom": [{"trigger": "a cyber attack", "arguments": {"price": "NAN", "damage amount": "NAN", "attacker": "NAN", "time": "Thursday", "payment method": "NAN", "victim": "Hancock Health", "tool": "NAN", "attack pattern": "NAN"}}], "phishing": [], "data breach": [], "discover vulnerability": []}